This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Make frog feet sponge prints with your child for a fun and educational crafts activity.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

This project investigates the affect of storage temperature on microwave popcorn.

In this science fair project, high school students will try to determine the mathematical patterns in JS Bach's two movement preludes and fugues.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

In this science fair project, students evaluate the alleged pain-relieving properties of amber.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Explore the effect of wind speed on the burning rate of a candle.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

This science fair project idea investigates how different disinfectants work in killing germs.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Find out whether matte or shiny nail polish lasts longer.

Bring back the groovy memories by making shrinky dinks using household materials, while learning about the science of plastics. Here's how to get started:

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.